Mountain Lake, Michigan - MI020 Additional Site Information Michael C. Stambaugh and Richard P. Guyette Cores are available at: Missouri Tree-Ring Laboratory, University of Missouri-Columbia COFECHA output: Chronology file name : MI020.CRN Measurement file name : MI020.RWL Date checked : 31JUL08 Checked by : B. Bauer Beginning year : 1723 Ending year : 2007 Principal investigators: Michael C. Stambaugh Richard P. Guyette Site name : Mountain Lake Michigan Site location : Michigan Species information : PIRE RED PINE Latitude : 4652 Longitude : -08754 Elevation : 258M Series intercorrelation: 0.487 Avg mean sensitivity : 0.206 Avg standard deviation : 0.407 Avg autocorrelation : 0.836 Number dated series : 38 Segment length tested : 50 Number problem segments: 39 Pct problem segments : 12.96 PART 5: CORRELATION OF SERIES BY SEGMENTS: Mountain Lake, Michigan 11:28 Thu 31 Jul 2008 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 NOR014 1875 2007 .40 .62 .42 .21B .31A 2 NOR020 1741 2007 .48 .50 .61 .67 .51 .38B .56 .66 .63 .60 .64 3 NOR023 1838 2007 .45 .39 .54 .64 .49 .49 .48 4 NOR011 1913 2007 .39 .33 .44 .50 5 NOR009 1898 2007 .33B .36 .43 .48 .44 6 NOR019 1900 2007 .25B .44 .65 .64 7 NOR17B 1750 2007 .48 .56 .47 .32A .10B .13B .52 .60 .47 .52 8 NOR010 1823 2007 .36 .38 .41 .48 .53 .41 .46 .49 9 NOR030 1725 2007 .34 .44 .69 .64 .36 .39 .69 .70 .48 .44 .46 10 NOR004 1723 2007 .61 .48 .28A .42 .44 .40 .47 .59 .73 .55 .47 .33 11 NOR028 1728 2000 .33 .31A .60 .77 .62 .41 .60 .68 .55 .60 .60 12 NOR34B 1787 2007 .75 .66 .61 .53 .66 .78 .63 .51 .48 13 NOR022 1785 2007 .65 .60 .36 .30A .59 .76 .62 .56 .57 14 NOR013 1801 2007 .44 .27A-.08B .44 .64 .52 .46 .50 15 NOR033 1724 2007 .41 .42 .56 .75 .54 .44 .69 .65 .53 .52 .51 .46 16 NOR038 1753 1929 .46 .47 .59 .65 .67 .71 .68 17 NOR29A 1792 2007 .59 .57 .40 .46 .54 .65 .68 .72 .58 18 NOR035 1806 2007 .35 .52 .44 .52 .73 .59 .54 .59 19 NOR040 1876 2007 .43 .58 .57 .52 .40 20 NOR027 1816 2007 .28A .41 .38 .60 .55 .41 .42 .31B 21 NOR026 1854 2007 .40 .59 .62 .61 .63 .57 22 NOR29B 1826 2007 .34 .42 .41 .61 .65 .57 .54 23 NOR024 1780 2007 .60 .70 .65 .59 .66 .54 .55 .63 .59 24 NOR004 1723 2007 .61 .48 .28A .42 .44 .40 .47 .59 .73 .55 .47 .33 25 NOR003 1810 2007 .37 .49 .26B .53 .55 .53 .59 .58 26 NOR021 1824 2007 .42 .42 .26A .42 .52 .44 .42 .39B 27 NOR025 1837 2007 .38 .21B .45 .59 .60 .49 .53 28 NOR002 1750 2007 .54 .61 .41 .26B .21B .39B .53 .41 .37 .32A 29 NOR001 1930 2007 .38 .27B .33 30 NOR31B 1897 2007 .30B .36 .65 .55 .57 31 NOR29A 1792 2007 .59 .57 .40 .46 .54 .65 .68 .72 .58 32 NOR005 1867 2007 .42 .31B .40 .39 .46 .55 33 NOR037 1888 2007 .63 .62 .51 .40 .25A 34 NOR012 1871 2007 .25B .14B .33 .53 .60 .57 35 NOR18B 1757 2007 .53 .59 .49 .42 .31B .60 .65 .42 .44 .50 36 NOR16B 1788 2007 .37 .24B .17B .14B .24B .55 .55 .50 .49 37 NOR15B 1800 2007 .40 .27B .24A .46 .53 .53 .56 .53 38 NOR39B 1764 2007 .39B .52 .32A .46 .63 .65 .71 .63 .51 .49 Av segment correlation .54 .42 .43 .58 .49 .42 .37 .50 .58 .53 .51 .49 PART 7: DESCRIPTIVE STATISTICS: Mountain Lake, Michigan 11:28 Thu 31 Jul 2008 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 NOR014 1875 2007 133 5 2 .404 1.24 2.95 .610 .881 .169 2.58 .386 -.017 1 2 NOR020 1741 2007 267 11 1 .562 .90 2.54 .299 .669 .199 2.75 .393 -.057 1 3 NOR023 1838 2007 170 7 0 .514 .93 2.40 .362 .739 .209 2.63 .407 -.019 1 4 NOR011 1913 2007 95 4 0 .442 1.56 3.58 .581 .822 .179 2.98 .660 -.044 1 5 NOR009 1898 2007 110 5 1 .432 1.48 3.09 .635 .899 .178 2.69 .512 -.042 1 6 NOR019 1900 2007 108 4 1 .440 1.05 2.09 .278 .654 .170 2.58 .523 .018 1 7 NOR17B 1750 2007 258 10 3 .440 .42 .94 .201 .891 .204 2.38 .268 -.001 1 8 NOR010 1823 2007 185 8 0 .450 .94 2.28 .344 .821 .171 2.63 .491 -.042 1 9 NOR030 1725 2007 283 11 0 .508 .73 2.11 .470 .919 .184 2.71 .390 -.036 1 10 NOR004 1723 2007 285 12 1 .468 .87 2.92 .538 .837 .220 2.59 .382 -.003 1 11 NOR028 1728 2000 273 11 1 .530 .87 2.31 .479 .907 .185 2.59 .361 .032 1 12 NOR34B 1787 2007 221 9 0 .594 .54 1.63 .255 .796 .235 2.70 .294 -.031 1 13 NOR022 1785 2007 223 9 1 .580 1.02 3.55 .509 .858 .205 2.71 .492 -.002 1 14 NOR013 1801 2007 207 8 2 .387 .66 2.66 .420 .870 .206 2.76 .349 -.026 1 15 NOR033 1724 2007 284 12 0 .534 .86 2.54 .519 .892 .203 2.57 .339 -.024 1 16 NOR038 1753 1929 177 7 0 .578 .98 2.46 .448 .699 .277 2.80 .461 -.060 1 17 NOR29A 1792 2007 216 9 0 .549 .61 1.55 .271 .821 .205 2.66 .421 -.005 1 18 NOR035 1806 2007 202 8 0 .532 .45 1.56 .234 .843 .236 2.60 .371 -.044 1 19 NOR040 1876 2007 132 5 0 .481 .41 1.10 .192 .730 .259 2.69 .483 -.045 1 20 NOR027 1816 2007 192 8 2 .387 .64 1.58 .272 .831 .200 2.68 .385 -.021 2 21 NOR026 1854 2007 154 6 0 .525 .71 1.97 .321 .794 .198 2.66 .348 -.015 1 22 NOR29B 1826 2007 182 7 0 .501 .64 1.65 .272 .711 .223 2.64 .496 -.025 2 23 NOR024 1780 2007 228 9 0 .602 .79 2.84 .599 .907 .242 2.66 .383 -.014 1 24 NOR004 1723 2007 285 12 1 .468 .87 2.92 .538 .837 .220 2.59 .382 -.003 1 25 NOR003 1810 2007 198 8 1 .467 1.09 3.17 .616 .895 .184 2.60 .360 .033 1 26 NOR021 1824 2007 184 8 2 .418 1.11 2.62 .616 .908 .182 2.58 .408 -.016 2 27 NOR025 1837 2007 171 7 1 .465 .65 2.09 .363 .858 .203 2.59 .468 -.067 2 28 NOR002 1750 2007 258 10 4 .399 .48 1.38 .295 .924 .191 2.68 .416 -.033 1 29 NOR001 1930 2007 78 3 1 .384 1.36 3.55 .772 .816 .271 2.60 .416 .094 5 30 NOR31B 1897 2007 111 5 1 .454 .51 1.48 .202 .767 .187 2.69 .447 .065 1 31 NOR29A 1792 2007 216 9 0 .549 .61 1.55 .271 .821 .205 2.66 .421 -.005 1 32 NOR005 1867 2007 141 6 1 .411 .44 .99 .155 .739 .207 2.65 .455 -.058 1 33 NOR037 1888 2007 120 5 1 .472 .61 2.24 .298 .692 .234 2.83 .400 -.023 1 34 NOR012 1871 2007 137 6 2 .433 .54 1.82 .368 .909 .175 2.62 .444 -.042 1 35 NOR18B 1757 2007 251 10 1 .499 .69 1.60 .313 .839 .199 2.52 .363 -.037 1 36 NOR16B 1788 2007 220 9 4 .382 .96 2.87 .674 .921 .193 2.60 .397 -.050 1 37 NOR15B 1800 2007 208 8 2 .467 .87 2.67 .552 .928 .199 2.48 .361 -.059 1 38 NOR39B 1764 2007 244 10 2 .514 .69 2.11 .340 .813 .239 2.62 .440 -.044 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7407 301 39 .487 .78 3.58 .407 .836 .206 2.98 .403 -.022